31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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const encode_url_1 = __importDefault(require("./encode_url"));
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const cache_1 = __importDefault(require("./cache"));
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const cache = new cache_1.default();
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function relativeUrlHelper(from = '', to = '') {
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return cache.apply(`${from}-${to}`, () => {
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const fromParts = from.split('/');
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const toParts = to.split('/');
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const length = Math.min(fromParts.length, toParts.length);
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let i = 0;
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for (; i < length; i++) {
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if (fromParts[i] !== toParts[i])
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break;
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}
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let out = toParts.slice(i);
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for (let j = fromParts.length - i - 1; j > 0; j--) {
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out.unshift('..');
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}
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const outLength = out.length;
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// If the last 2 elements of `out` is empty strings, replace them with `index.html`.
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if (outLength > 1 && !out[outLength - 1] && !out[outLength - 2]) {
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out = out.slice(0, outLength - 2).concat('index.html');
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}
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return (0, encode_url_1.default)(out.join('/').replace(/\/{2,}/g, '/'));
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});
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}
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module.exports = relativeUrlHelper;
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//# sourceMappingURL=relative_url.js.map
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